Heater fan



FIG. 1 is a perspective view of a heater fan showing our new design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a bottom elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left side view thereof being a mirror image thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line showing of a handle in FIGS. 4-6 is for illustrative purposes only and forms no part of the claimed design. The pattern of holes in FIGS. 1 and 4 is shown fragmentarily for ease of illustration and is understood to extend uniformly throughout the area represented. 

The ornamental design for a heater fan, as shown and described. 